/*
 * Copyright The Kmesh Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package kube

import (
	"fmt"
	"os"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
)

func NewInformerFactory(client kubernetes.Interface) informers.SharedInformerFactory {
	nodeName := os.Getenv("NODE_NAME")
	informerFactory := informers.NewSharedInformerFactoryWithOptions(client, 0,
		informers.WithTweakListOptions(func(options *metav1.ListOptions) {
			options.FieldSelector = fmt.Sprintf("spec.nodeName=%s", nodeName)
		}))
	return informerFactory
}
